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闪电     
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  lightning
     Regional Characteristic Calculation of Lightning Production of Nitrogen Oxides(LNO_X) (Ⅱ): Analysis on Calculation Result of LNO_X
     闪电产生氮氧化物(LNO_X)区域特征计算(Ⅱ):LNO_X计算结果分析
短句来源
     757 Lightning Protection
     波音757的闪电保护
短句来源
     Simulative Study on the Dissociation of SF_6 in the Lightning Process
     SF_6在闪电过程中离解的模拟研究
短句来源
     Regional Characteristic Calculation of Lightning Production of Nitrogen Oxides(LNO_X) (Ⅰ): Theory and Calculation Method
     闪电产生氮氧化物(LNO_X)区域特征计算 (Ⅰ):理论和计算方法
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     The SVD analysis technique further suggests that there are a good relationship between SST in the regions of 20°~30°S, 110°~130°W and 10°~5°N, 160°W~180° and the lightning activities in Peru and east Brazil, but the variation of SST results in different variation tendencies in Peru and east Brazil.
     SVD分析发现,20°~30°S,110°~130°W和10°~5°N,160°W~180°区域的海温异常和南美秘鲁及巴西东部的闪电活动有很好的相关关系。
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  lightning flash
     An Experimental Study on the Interactions Between Lightning Flash and Ground Objects
     闪电与地面物体相互作用的实验研究
     Numerical Simulation of the Effect of Liquid Water Content and Ice Crystal Concentration on Lightning Flash Frequency
     液态水含量和冰晶浓度对闪电频数影响的数值模拟研究
短句来源
     Based on the CINRAD Doppler radar data in Guangzhou and the lightning flash data in 2004 by power suppliers of Guangdong,statistical study is done by overlaying lightning’s position on radar’s echo.
     应用2004年4~8月广州雷达资料和广东省电力部门闪电资料,采用闪电位置资料与雷达回波强度相叠加的方法进行统计。
短句来源
     The characteristics of lightning flash rate' of hailclouds are summari-zed, which were observed during 1976 to 1979 in Piugliang, Gansu, with a double channel.
     本文总结了1976—1979年在甘肃平凉地区用双通道闪电计数器所观测的冰雹云闪电频数的特征。
短句来源
     A LLP made Direction Finder (DF) was connected properly with type TCCJ-2000 transient converter to record the strength and wave shape of the electromagnetic radiation from lightning flash with sampling time, recording length and bandwidth of 0.1 μs,204.8 μs and 500Hz~500kHz, respectively. Data collected were processed and stored by a PC through an installed inside PET-48DIO board .
     利用美国进口的闪电定位仪 (LightningDirectionFinder)和日本TCCJ - 2 0 0 0型瞬态波形存储器连接 ,在 5 0 0Hz~ 5 0 0kHz的频段内 ,用 0 .1μs的采样速率和 2 0 4.8μs的记录长度 ,对闪电的电磁辐射信号进行采样 ,数据经过安装在微机上的一块PET -DIO接口卡被微机处理并存储。
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  lightning discharge
     Observations of Cloud-to-Ground Lightning Discharge by Using the Bulky VLF/ VHF Acquisition System
     用VLF/VHF信号大容量采集系统观测云地闪电放电过程
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     RAINDROP GROWTH UNDER THE CONDITION OF LIGHTNING DISCHARGE IN THUNDERSTORM
     雷暴云中闪电放电条件下的雨滴增长
短句来源
     Three Dimensions Structure of Lightning Discharge Channel
     闪电放电通道的三维结构特征
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     However,the observation experiment and theoretical research of lightning discharge processes still need to be improved because of the randomicity and transience of lightning occurrence.
     但由于雷电发生的时空随机性和瞬时性,对闪电放电物理过程的观测试验和理论研究十分困难,目前对我国闪电活动规律的认识也仍然不够全面。
短句来源
     INDIRECT MEASUREMENT OF ARTIFICIALLY TRIGGERED LIGHTNING DISCHARGE CURRENT AND ITS CHARACTERISTIC ANALYSIS
     人工触发闪电放电电流的间接测量及其特征分析
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  lightning flashes
     THE ANALYSIS OF THE DISCHARGING PROCESSES OF TRIGGERED LIGHTNING FLASHES I. LEADER PROCESSES
     人工触发闪电放电过程分析I.先导放电过程
短句来源
     However two artificially triggered lightning flashes in altitude produced positive charges on the top of path of rocket and negative charges on the bottom of path of rocket,the maximum values of charge were 3.7×10 -5 C/m and 4.5×10 -5 C/m respectively.
     在两次空中触发闪电中,火箭上升路径上沉积的电荷在通道上端为正,下端为负,最大电荷密度分别为3.7×10-5C/m和4.5×10-5C/m;
短句来源
     For negative electric field on the ground,two artificially triggered lightning flashes on the ground produced positive charges on the path of rocket. Their average magnitude were 1.0×10 -5 C/m and 6.7×10 -6 C/m respectively and average corona currents were 0.68mA and 0.57mA respectively.
     在两次地面触发闪电中,火箭上升路径上沉积了正电荷,其平均电荷密度分别为1.0×10-5C/m和6.7×10-6C/m,平均电晕电流分别为0.68mA和0.57mA;
短句来源
     THE ANALYSIS OF THE DISCHARGING PROCESSES OF TRIGGERED LIGHTNING FLASHESⅡ. PROCESSES BETWEEN THE RETURN STROKE
     人工触发闪电放电过程分析 Ⅱ.闪击间放电过程
短句来源
     The daily variation of CG lightning flashes assumes a form of unimodal undulance,with the peak over 60 times from 18:00 to 21:00 and at 01:00 and the valley below 10 times from 10:00 to 13:00.Lightning flashes occur more frequently at night than in the daytime.
     地闪活动具有明显的日变化,总体呈单峰单谷形式,地闪频次在60以上的峰值时段是18:00~24:00和01:00,频次在10以下的谷值时段是10:00~13:00,夜间闪电活动明显大于日间。
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  lightning
Equations of motion of ball lightning in a rocket airstream
      
Hydrodynamic interaction of ball lightning and unsteady airflows
      
The Anti-Lightning Protection System of the Andyrchi Facility
      
The system of anti-lightning protection measures set up under the high mountain conditions of the Andyrchi facility at the Baksan Neutrino Observatory of the RAS INR is described.
      
A number of practical recommendations for the anti-lightning protection of the electronic equipment at physics installations that have long lines of communication between their physical quantity sensors and recording instruments are given.
      
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  lightning flash
Also, lightning flash rates are enhanced by the production of more intense and deeper convective cells by the merger process, especially by which, the more graupel-like ice particles are formed in clouds.
      
The explosive convective development and the late peak lightning flash rate can be found during merging process.
      
With the developed system, the whole progression process in time and space of a lightning flash can be reconstructed.
      
It is shown that lightning flash counters responding only to the electrostatic component of the change in field are likely to be least subject to error; this implies a preferential selection of very low frequencies.
      
Studies of the electrical activity of thunderstorms with lightning flash-counters
      
更多          
  wildfire
(cheatgrass) is a dominant weed that has increased the frequency of wildfire in western North America since being introduced about 120 years ago from Central Asia.
      
Based on the effects of a wildfire which occurred in the Spanish Serra Calderona Natural Park - a typical Mediterranean ecosystem - the regeneration process of the wood mouse population and its helminth community is analysed.
      
sylvaticus should be considered suitable biological tags of environmental perturbations, such as a wildfire, and the wood mouse/helminth model can be applied to predict the consequences for helminth species in general.
      
The study was carried out in the Spanish Natural Park of the Serra Calderona and comprised a 13 year period, from the 2nd to the 14th year after a wildfire.
      
This study examined the extent of children's and adolescents' psychosocial maladjustment associated with a natural disaster, namely, wildfire.
      
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  lightning discharge
Modeling the development of the stepped leader of a lightning discharge
      
Main stage of the lightning discharge: Mechanism and output characteristics
      
Physical processes responsible for the lightning discharge are considered.
      
An expression relating the basic physical quantities describing the evolution of the lightning discharge to the magnitude and waveform of the lightning current is found.
      
These results are given for convenience in analyzing another problem, associated with the formation of such ionic toroidal vortex surfaces (stable in Wood's sense) during a streak lightning discharge in the atmosphere (ball lightning model).
      
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